Secretomes
Secretomes refer to the full range of bioactive molecules secreted by cells—especially stem cells—into their surrounding environment.
What Are Secretomes?
Secretomes are a powerful collection of molecules secreted by stem cells and other regenerative cells. They include:
Exosomes
Cytokines
Growth Factors
RNA messengers
Other signaling proteins
These molecules influence your body’s natural repair processes, reduce inflammation, support immune function, and accelerate tissue regeneration.Why Use Secretomes in Therapy?
Traditional stem cell therapy involves harvesting, culturing, and reinjecting live cells. While promising, these therapies come with challenges like storage, immune compatibility, and cell viability.
Secretome therapy offers:
Cell-Free Convenience: Easier to store and apply than live cells.
Reduced Risk: No risk of uncontrolled cell growth or rejection.
High Potency: Concentrated regenerative signals without dilution or decay.
Why Secretomes Matter
Secretome-based therapies are gaining momentum because:
They are cell-free, reducing the risk of tumor formation or immune rejection.
They carry the benefits of stem cells without the complexities of using live cells.
They are more stable and easier to store, ship, and administer.
In short, Secretomes = the healing power of stem cells, simplified and safer.
How Are Secretomes Used?
Clinics and researchers use secretomes for:
Skin rejuvenation
Orthopedic recovery
Immune support
Neurological and cardiovascular healing
Inflammatory condition treatment
These therapies are often administered topically, via injection, or through IV infusions, depending on the treatment goal.
References
Théry, C., Witwer, K. W., et al. (2018). Minimal information for studies of extracellular vesicles 2018 (MISEV2018): a position statement of the ISEV. Journal of Extracellular Vesicles, 7(1), 1535750. https://doi.org/10.1080/20013078.2018.1535750
Vizoso, F. J., Eiro, N., et al. (2017). Mesenchymal Stem Cell Secretome: Toward Cell-Free Therapeutic Strategies in Regenerative Medicine. International Journal of Molecular Sciences, 18(9), 1852. https://doi.org/10.3390/ijms18091852
Rani, S., Ryan, A. E., Griffin, M. D., & Ritter, T. (2015). Mesenchymal stem cell-derived extracellular vesicles: toward cell-free therapeutic applications. Molecular Therapy, 23(5), 812–823. https://doi.org/10.1038/mt.2015.44
Keshtkar, S., Azarpira, N., & Ghahremani, M. H. (2018). Mesenchymal stem cell-derived extracellular vesicles: novel frontiers in regenerative medicine. Stem Cell Research & Therapy, 9(1), 63. https://doi.org/10.1186/s13287-018-0791-7
National Institutes of Health (NIH) – PubMed. (Accessed 2025). Stem Cell Secretome and Exosome Research. https://pubmed.ncbi.nlm.nih.gov/
Mayo Clinic. (2023). Stem Cell Therapy: What You Need to Know. https://www.mayoclinic.org/tests-procedures/stem-cell-transplant/about/pac-20384783
Kimera Labs. (2024). Exosomes and the Future of Regenerative Medicine. https://kimeralabs.com
Organicell. (2024). Understanding the Science Behind the Secretome. https://organicell.com
Celltex Therapeutics. (2023). Cell-Free Therapies and Secretome Applications. https://celltexbank.com
Cleveland Clinic. (2023). What Are Growth Factors? https://my.clevelandclinic.org/health/articles/21493-growth-factors